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质量控制

New Testing Lab-End Products Inspection

All Test Follows The Standard Of ANSI/BIFMA X6.4-2018 

In 2023, Yumeya new testing laboratory built by Yumeya in cooperation with local manufacturers has been open. Yumeya's products can undergo rigorous testing before leaving the factory to ensure reliable quality and safety services.

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Sample Testing
regularly conduct prototype chair testing

At present, our team will regularly conduct prototype chair testing, or select samples from large shipments for testing to ensure that the chairs are of high quality and 100% safe for customers. If you or your customers attach great importance to the quality of chairs, you can also select samples from bulk products and use our laboratory for ANSI/BIFMA level testing. 

Test Content Testing Model Result
Unit Drop Test Drop height: 20cm YW5727H Pass
Backrest Strength Test Horizontal Functional Load: 150 lbf, 1 minute
Proof Load: 225 lbf, 10 secs
Y6133 Pass
Arm Durability Test-Angular-Cyelic Load applied: 90 lbf per arm#
of cycles: 30,000
YW2002-WB Pass
Drop Test-Dynamic Bag: 16" diameter
Drop height: 6"
Functional Load: 225 lbs
Proof Load: 300 lbs
Load on other seats: 240 lbs
YL1260 Pass
Backrest Durability Test -Horizontal-Cyclic Load on seat: 240 lbs
Horizontal force on the backrest: 75 lbf#
of cycles: 60,000
YL2002-FB Pass
Front Stability 40% of unit weight applied at 45 YQF2085 Pass
QC System

The Key to Enhance Chairs' Quality

Base on many years international trade experience, Yumeya deeply understand the particularity international trade. How to reassure customers about quality will be the key point before cooperation. All Yumeya Chairs will undergo at least 4 departments, more than 10 times QC before packaged. 

Hardware Department
Wood Grain Department
Upholstery Department
Package Department
Raw materials shall be tested before entering the hardware department for deep processing. For aluminum tubing, we will check the thickness, hardness and surfac. Here are our standards.
In Yumeya's quality philosophy, standards are one of the four important factors. Therefore, after bending, we must detect the radian and angle of the parts to ensure the standard and unity of the finished frame. First, our development department will make a standard part. Then our workers will adjust according to this standard part through measurement and comparison, so as to ensure the standard and unity.
Due to the thermal expansion and cold contraction in the welding process, there will be slightly deformation for the welded frame. So we must add a special QC to ensure the symmetry of the whole chair after welding. In this process, our workers will adjust the frame mainly by measuring the diagonal and other data.
The final QC step in the hardware department is the sampling inspection of finished frame. In this step, we need to check the overall size of the frame, the welding joint is polished or not, the welding point is flat or not, the surface is smooth or not and etc. The chair frames can enter next department only after reaching 100% sampling qualified rate.
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In this department, it needs to undergo three times QC, including raw materials, frame surface and finished product color matching and adhesion test.

As metal wood grain is a heat transfer technology which is composed of powder coat and wood grain paper. Little changes in the color of powder coat or wood grain paper will lead to color big change. Therefore, when it is newly purchased wood grain paper or powder, we will make a new sample and compare it with the standard color we sealed. Only 100% match can this raw material be considered qualified.
Doing surface treatment like the make-up in a face, first of all, must have a smooth face (frame). There may be collision of the frame during cleaning. So we will undergo fine polishing and check the frame after cleaning. Only the frame without any scratch then it will be fit for surface treatment.
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As the whole wood grain production process involves many factors such as the thickness of powder coat layer, temperature and time, small change of any factor may lead to color deviation. Therefore, we will check 1% for color comparison after completing the wood grain finish to make sure it is the right color. At the same time, we will also conduct adhesion test, only none of the lattice powder coat falls off in the hundred lattice test can be accepted.
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In this department, there are three times QC, QC for the raw materials of fabric and foam, mold Test and upholstery effect.

In the upholstery department, fabric and foam are two main raw material
● Fabric: The martindale of all Yumeya standard fabric is more than 80,000 ruts. So when we receive the new purchase fabric, we will test the martindale at the first time to make sure it is more than standard. At the same time, we will also test the color fastness to ensure it won't fade and suitable for commercial use. Combine the QC of color, wrinkles and etc these basic quality problem to ensure it is the right fabric.
● Foam: We will test the density of the new purchase foam. The density of the foam, it should be more than 60kg/m3 for mold foam and more than 45kg/m3 for cut foam. Besides, we will test the resilience and fire resistance and other parameter etc to make sure its long life time and suitable for commercial use.
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Due to the differences in tensile force and thickness of different fabrics, we will make a sample using the order fabric before bulk goods to adjust the mold for cutting fabric to ensure that the fabric, foam and chair frame can perfectly match without wrinkles and other upholstery problems.
For a high-end chair, the first thing people see and feel is the upholstery effect. Therefore after upholstery, we must check the whole upholstery effect, such as whether the lines is straight, whether the fabric is smooth, whether the piping are firm, etc. To make sure our chairs meet the high end require.
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In this step, we will check all parameters according to the customer's order, including size, surface treatment, fabrics, accessories, etc to make sure it is the ideal chair that the client order. At the same time, we will check whether the surface of the chair is scratched and clean one by one. Only when 100% of the goods pass the sampling inspection, this batch of large goods will be packed.

Since all the Yumeya chairs are used in commercial places, we will fully understand the importance of safety. Therefore, we will not only ensure the safety through the structure during development, but also select chairs from bulk order for strength test, so as to eliminate all potential safety problem in production. Yumeya is not the only metal wood grain chair manufacturer. Based on her special  and complete QC system, Yumeya will be the company that knows you best and reassures you most.

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安全+标准+舒适+卓越细节+超值套餐

量大品质也好

01. 安全保证 

对于商业家具来说,保证客人的安全可以有效帮助场馆规避风险。 我们以安全为先进行制造,所有椅子的额定承重可达 500 磅,并提供 10 年保修。

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02. 标准
做一把好椅子并不难。 但对于批量订单来说,只有当所有椅子都采用同一种标准“尺寸相同”“外观相同”时,才算高标准。

Yumeya Furniture 采用日本进口切割机、焊接机器人、汽车内饰机等。 减少人为错误。 全部尺寸差别 Yumeya 椅子的误差控制在3mm以内。

03. 舒适

靠背的最佳倾斜角度让人倚靠起来很舒服
完美背部弧度,完美贴合使用者背部弧度
合适的座面倾角,有效支撑使用者腰椎
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04. 出色的细节
细节体现品质,我们从工业生产的角度优化产品的美学呈现。 您将看到精美的外观、流畅的线条以及对宾客安全的品质保证 Yumeya 椅子。
高回弹模塑泡沫
65公斤/立方米模压泡沫不含任何滑石粉,高回弹,使用寿命更长,使用5年不变形
老虎粉末涂料
配合Tiger Powder Coat,耐磨3倍,有效防止日常划痕
清晰的木纹纹理
Yumeya 金属木纹技术研发超过25年,达到行业领先水平
耐用面料
所有人的马丁代尔 Yumeya 标准面料30000道以上,耐磨易清洁,适合商业用途
完美的装潢
坐垫线条流畅笔直
焊缝光滑
完全看不到焊接痕迹
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05. 价值包

不可堆叠椅子的KD技术,使集装箱的装载量增加一倍。 是为客户节省运输成本、降低成本、创造更多效益的重要途径。

我们的使命是将环保家具带给世界!
Customer service
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